SOLUTION: Two distinct integers are chosen at random and without replacement from the first six positive integers. Compute the expected value of the absolute value of the difference of these

Algebra ->  Probability-and-statistics -> SOLUTION: Two distinct integers are chosen at random and without replacement from the first six positive integers. Compute the expected value of the absolute value of the difference of these      Log On


   



Question 355162: Two distinct integers are chosen at random and without replacement from the first six positive integers. Compute the expected value of the absolute value of the difference of these two numbers.
Answer by edjones(8007) About Me  (Show Source):
You can put this solution on YOUR website!
All the possible absolute differences of the integers chosen without replacement have a sum of 70. There are 30 different cases.
70/30=7/3 expected value of the absolute value of the difference of these two numbers.
.
Ed